Bios Recovery Utility - Dell OptiPlex GX50 User Manual

IRQ Used/Available
Line
IRQ11 Available
IRQ12 Used by the mouse port
IRQ13 Used by the math coprocessor (if applicable)
IRQ14 Used by the primary integrated drive electronics (IDE) controller
IRQ15 Used by the secondary IDE controller

BIOS Recovery Utility

If your computer loses power and beeps constantly but does not boot when
power is restored, the basic input/output system (BIOS) is probably
corrupted. To restore the BIOS, perform the following steps:
Disconnect the computer from its power source.
1
Go to another working computer, and download the BIOS flash
2
executable utility for the computer from the File Library located on
Dell's support.dell.com website.
On the working computer, go to an MS-DOS prompt and type the
3
command
xxxxx - writehdrfile
BIOS flash executable utility you downloaded).
Running this utility generates a file with a .hdr extension.
Copy the .hdr file to a floppy.
4
Insert the floppy into the floppy drive of the corrupted computer and
5
turn it on.
The computer automatically flashes the BIOS from the floppy.
When the computer begins to restart and the Dell logo screen appears,
6
remove the floppy from the floppy drive so that the computer does not
boot from the floppy again.
(where is the name of the
xxxxx
207
S o lv ing Pr o ble m s